WO2017092127A1 - Video classification method and apparatus - Google Patents
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- WO2017092127A1 WO2017092127A1 PCT/CN2015/099610 CN2015099610W WO2017092127A1 WO 2017092127 A1 WO2017092127 A1 WO 2017092127A1 CN 2015099610 W CN2015099610 W CN 2015099610W WO 2017092127 A1 WO2017092127 A1 WO 2017092127A1
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/783—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
- G06F16/7837—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content using objects detected or recognised in the video content
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/783—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
- G06F16/7837—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content using objects detected or recognised in the video content
- G06F16/784—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content using objects detected or recognised in the video content the detected or recognised objects being people
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/7867—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using information manually generated, e.g. tags, keywords, comments, title and artist information, manually generated time, location and usage information, user ratings
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/23—Clustering techniques
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/24—Classification techniques
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/46—Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
- G06V10/462—Salient features, e.g. scale invariant feature transforms [SIFT]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/40—Scenes; Scene-specific elements in video content
- G06V20/41—Higher-level, semantic clustering, classification or understanding of video scenes, e.g. detection, labelling or Markovian modelling of sport events or news items
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/168—Feature extraction; Face representation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/172—Classification, e.g. identification
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
Abstract
Description
Claims (15)
- 一种视频归类方法,其特征在于,包括:A video categorization method, comprising:获取视频中包括人脸的关键帧;Obtain key frames in the video that include faces;获取所述关键帧中的人脸特征;Obtaining a face feature in the key frame;获取图片类别对应的人脸特征;Obtaining a face feature corresponding to the picture category;根据所述关键帧中的人脸特征和所述图片类别对应的人脸特征,确定所述视频所归属的图片类别;Determining, according to the face feature in the key frame and the face feature corresponding to the picture category, a picture category to which the video belongs;将所述视频分配至所述视频所归属的图片类别中。The video is assigned to a picture category to which the video belongs.
- 如权利要求1所述的方法,其特征在于,所述获取视频中包括人脸的关键帧,包括:The method according to claim 1, wherein the acquiring a key frame including a face in the video comprises:从所述视频中获取包括人脸的至少一个视频帧;Obtaining at least one video frame including a face from the video;确定所述至少一个视频帧中,每个视频帧中的人脸参数,所述人脸参数包括人脸数目、人脸位置中的任一项或两项;Determining, in the at least one video frame, a face parameter in each video frame, where the face parameter includes any one or two of a face number and a face position;根据所述每个视频帧中的人脸参数,确定所述视频中的关键帧。A key frame in the video is determined based on the face parameters in each of the video frames.
- 根据权利要求2所述的方法,其特征在于,所述根据所述每个视频帧中的人脸参数,确定所述视频中的关键帧,包括:The method according to claim 2, wherein the determining a key frame in the video according to a face parameter in each video frame comprises:根据所述每个视频帧中的所述人脸参数,确定所述人脸参数未重复出现在其它视频帧中的非重复视频帧;Determining, according to the face parameter in each video frame, the non-repetitive video frame that the face parameter does not repeatedly appear in other video frames;将至少一个所述非重复视频帧确定为所述关键帧。At least one of the non-repeating video frames is determined as the key frame.
- 根据权利要求2所述的方法,其特征在于,所述根据所述每个视频帧中的人脸参数,确定所述视频中的关键帧,包括:The method according to claim 2, wherein the determining a key frame in the video according to a face parameter in each video frame comprises:根据所述每个视频帧中的所述人脸参数,确定所述人脸参数相同的至少一组重复视频帧,每组所述重复视频帧中包括至少两个视频帧,每组所述重复视频帧中摄取时间最晚的视频帧与摄取时间最早的视频帧之间的摄取时间之差小于或等于预设时长,每组所述重复视频帧中所有视频帧的人脸参数相同;Determining, according to the face parameter in each video frame, at least one set of repeated video frames with the same face parameter, and each group of the repeated video frames includes at least two video frames, each group of the repetition The difference between the ingest time between the video frame with the latest ingested time and the video frame with the earliest time of the video frame is less than or equal to the preset duration, and the face parameters of all the video frames in each group of the repeated video frames are the same;将每组所述重复视频帧中的任一视频帧确定为所述关键帧。Any one of the sets of the repeated video frames is determined as the key frame.
- 如权利要求1所述的方法,其特征在于,The method of claim 1 wherein所述根据所述关键帧中的人脸特征和所述图片类别对应的人脸特征,确定所述视频所归属的图片类别,包括:Determining, according to the face feature in the key frame and the face feature corresponding to the picture category, the picture category to which the video belongs, including:当所述视频的数目为至少两个时,确定每个视频的所述关键帧中的人脸特征;Determining a face feature in the key frame of each video when the number of the videos is at least two;根据每个视频的所述关键帧中的人脸特征,对所述至少两个视频进行人脸聚类处理,获 得至少一个视频类别;Performing face clustering processing on the at least two videos according to the face features in the key frame of each video Get at least one video category;根据所述至少一个视频类别各自对应的人脸特征和所述图片类别对应的人脸特征,确定对应相同人脸特征的视频类别和图片类别;Determining a video category and a picture category corresponding to the same facial feature according to a face feature corresponding to each of the at least one video category and a face feature corresponding to the picture category;所述将所述视频分配至所述视频所归属的图片类别中,包括:The assigning the video to a picture category to which the video belongs includes:将所述每个视频类别中的视频分配至对应相同人脸特征的图片类别中。The video in each of the video categories is assigned to a picture category corresponding to the same facial feature.
- 如权利要求1所述的方法,其特征在于,所述根据所述关键帧中的人脸特征和所述图片类别对应的人脸特征,确定所述视频所归属的图片类别,包括:The method according to claim 1, wherein the determining the picture category to which the video belongs according to the face feature in the key frame and the face feature corresponding to the picture category comprises:在所述图片类别对应的人脸特征中,确定与所述关键帧中的人脸特征匹配的图片类别;Determining, in a face feature corresponding to the picture category, a picture category that matches a face feature in the key frame;将所述匹配的图片类别确定为所述视频所归属的图片类别。The matched picture category is determined as the picture category to which the video belongs.
- 如权利要求1所述的方法,其特征在于,所述方法还包括:The method of claim 1 wherein the method further comprises:获取所述视频的拍摄时间和拍摄地点;Obtaining the shooting time and shooting location of the video;确定与所述视频的拍摄时间和拍摄地点相同的目的图片;Determining a picture of the same purpose as the shooting time and shooting location of the video;将所述视频分配至所述目的图片所归属的图片类别中。The video is assigned to a picture category to which the destination picture belongs.
- 一种视频归类装置,其特征在于,包括:A video categorizing device, comprising:第一获取模块,用于获取视频中包括人脸的关键帧;a first acquiring module, configured to acquire a key frame including a face in the video;第二获取模块,用于获取所述第一获取模块获取到的所述关键帧中的人脸特征;a second acquiring module, configured to acquire a facial feature in the key frame acquired by the first acquiring module;第三获取模块,用于获取图片类别对应的人脸特征;a third acquiring module, configured to acquire a face feature corresponding to the picture category;第一确定模块,用于根据所述第二获取模块获取到的所述关键帧中的人脸特征和所述第三获取模块获取到的所述图片类别对应的人脸特征,确定所述视频所归属的图片类别;a first determining module, configured to determine the video according to a face feature in the key frame acquired by the second acquiring module and a face feature corresponding to the picture category acquired by the third acquiring module The category of the picture to which it belongs;第一分配模块,用于将所述视频分配至所述第一确定模块确定出的所述视频所归属的图片类别中。a first allocation module, configured to allocate the video to a picture category to which the video determined by the first determining module belongs.
- 如权利要求8所述的装置,其特征在于,所述第一获取模块,包括:The device according to claim 8, wherein the first obtaining module comprises:获取子模块,用于从所述视频中获取包括人脸的至少一个视频帧;Obtaining a submodule, configured to acquire at least one video frame including a human face from the video;第一确定子模块,用于确定所述获取子模块获取到的所述至少一个视频帧中,每个视频帧中的人脸参数,所述人脸参数包括人脸数目、人脸位置中的任一项或两项;a first determining submodule, configured to determine a face parameter in each video frame in the at least one video frame acquired by the acquiring submodule, where the face parameter includes a number of faces and a face position Any one or two;第二确定子模块,用于根据所述每个视频帧中的人脸参数,确定所述视频中的关键帧。And a second determining submodule, configured to determine a key frame in the video according to the face parameter in each video frame.
- 如权利要求9所述的装置,其特征在于,The device of claim 9 wherein:所述第二确定子模块,还用于根据所述每个视频帧中的所述人脸参数,确定所述人脸参数未重复出现在其它视频帧中的非重复视频帧;将至少一个所述非重复视频帧确定为所述关键帧。 The second determining submodule is further configured to determine, according to the face parameter in each video frame, a non-repetitive video frame in which the face parameter is not repeatedly displayed in other video frames; The non-repetitive video frame is determined as the key frame.
- 如权利要求9所述的装置,其特征在于,The device of claim 9 wherein:所述第二确定子模块,还用于根据所述每个视频帧中的所述人脸参数,确定所述人脸参数相同的至少一组重复视频帧,每组所述重复视频帧中包括至少两个视频帧,每组所述重复视频帧中摄取时间最晚的视频帧与摄取时间最早的视频帧之间的摄取时间之差小于或等于预设时长,每组所述重复视频帧中所有视频帧的人脸参数相同;将每组所述重复视频帧中的任一视频帧确定为所述关键帧。The second determining sub-module is further configured to determine, according to the face parameter in each video frame, at least one set of repeated video frames with the same face parameter, where each group of the repeated video frames is included At least two video frames, the difference between the ingest time between the video frame with the latest ingested time and the video frame with the earliest time in each of the repeated video frames is less than or equal to a preset duration, and each group of the repeated video frames The face parameters of all video frames are the same; any one of the sets of the repeated video frames is determined as the key frame.
- 如权利要求8所述的装置,其特征在于,The device of claim 8 wherein:所述第一确定模块,包括:The first determining module includes:第三确定子模块,用于当所述视频的数目为至少两个时,确定每个视频的所述关键帧中的人脸特征;根据每个视频的所述关键帧中的人脸特征,对所述至少两个视频进行人脸聚类处理,获得至少一个视频类别;根据所述至少一个视频类别各自对应的人脸特征和所述图片类别对应的人脸特征,确定对应相同人脸特征的视频类别和图片类别;a third determining submodule, configured to determine a face feature in the key frame of each video when the number of the videos is at least two; according to a face feature in the key frame of each video, Performing face clustering processing on the at least two videos to obtain at least one video category; determining corresponding corresponding facial features according to respective facial features corresponding to the at least one video category and facial features corresponding to the image category Video category and image category;所述第一分配模块,包括:The first distribution module includes:第一分配子模块,用于将所述第三确定子模块确定出的所述每个视频类别中的视频分配至对应相同人脸特征的图片类别中。And a first allocation submodule, configured to allocate, in the picture category corresponding to the same facial feature, the video in each video category determined by the third determining submodule.
- 如权利要求8所述的装置,其特征在于,所述第一确定模块,包括:The device of claim 8, wherein the first determining module comprises:第四确定子模块,用于在所述图片类别对应的人脸特征中,确定与所述关键帧中的人脸特征匹配的图片类别;a fourth determining submodule, configured to determine, in a facial feature corresponding to the picture category, a picture category that matches a facial feature in the key frame;第二分配子模块,用于将所述第四确定子模块确定出的所述匹配的图片类别确定为所述视频所归属的图片类别。a second allocation submodule, configured to determine, by the fourth determining submodule, the matched picture category as a picture category to which the video belongs.
- 如权利要求8所述的装置,其特征在于,所述装置还包括:The device of claim 8 further comprising:第四获取模块,用于获取所述视频的拍摄时间和拍摄地点;a fourth acquiring module, configured to acquire a shooting time and a shooting location of the video;第二确定模块,用于确定与所述第四获取模块获取到的所述视频的拍摄时间和拍摄地点相同的目的图片;a second determining module, configured to determine a target picture that is the same as the shooting time and the shooting location of the video acquired by the fourth acquiring module;第二分配模块,用于将所述视频分配至所述第二确定模块确定出的所述目的图片所归属的图片类别中。a second allocation module, configured to allocate the video to a picture category to which the target picture determined by the second determining module belongs.
- 一种视频分类装置,其特征在于,包括:A video classification device, comprising:处理器;processor;用于存储处理器可执行指令的存储器;a memory for storing processor executable instructions;其中,所述处理器被配置为: Wherein the processor is configured to:获取视频中包括人脸的关键帧;Obtain key frames in the video that include faces;获取所述关键帧中的人脸特征;Obtaining a face feature in the key frame;获取图片类别对应的人脸特征;Obtaining a face feature corresponding to the picture category;根据所述关键帧中的人脸特征和所述图片类别对应的人脸特征,确定所述视频所归属的图片类别;Determining, according to the face feature in the key frame and the face feature corresponding to the picture category, a picture category to which the video belongs;将所述视频分配至所述视频所归属的图片类别中。 The video is assigned to a picture category to which the video belongs.
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CN105426515B (en) | 2018-12-18 |
JP2018502340A (en) | 2018-01-25 |
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